StacksVerified U.S. regulatory reference

46 CFR §178.410

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Except as provided in paragraph (b) of this section, the weather deck on a flush deck vessel must be watertight and have no obstruction to overboard drainage.
  2. (b)Each flush deck vessel may have solid bulwarks in the forward one-third length of the vessel if:
    1. (1)The bulwarks do not form a well enclosed on all sides; and
    2. (2)The foredeck of the vessel has sufficient sheer to ensure drainage aft.